:root {
  --main-color:  #30cfd0;
  --main-color2: #330867;
}

* {
  box-sizing: border-box;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  margin: 0;
  padding: 0;
  background: linear-gradient(to right, var(--main-color), var(--main-color2));
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  min-height: 100vh;
  transition: background 0.5s ease;
  color: white;
  padding: 1rem;
}

.icon {
    color: var(--main-color2);
}

header {
  margin-top: 0.4rem;
  text-align: center;
}

.theme-switcher {
  position: fixed;
  top: 15px;
  right: 20px;
  z-index: 110;
}

.theme-button {
  background: transparent;
  border: none;
  font-size: 24px;
  color: white;
  cursor: pointer;
  padding: 5px;
  transition: transform 0.2s ease;
}

.theme-button:hover,
.theme-button:focus {
  transform: scale(1.2);
  outline: none;
}

.theme-list {
  display: none;
  position: absolute;
  right: 0;
  margin-top: 10px;
  background: white;
  padding: 0.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
  flex-wrap: wrap;
  max-width: 200px;
  gap: 6px;
  z-index: 100;
}

.theme-list.show {
  display: flex;
}

.theme-color {
  width: 25px;
  height: 25px;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid #fff;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2);
  transition: transform 0.2s ease;
}

.theme-color:hover {
  transform: scale(1.3);
  border-color: #000;
}

main {
  max-width: 600px;
  width: 100%;
  padding-bottom: 80px; /* for footer spacing */
}

details {
  background: rgba(255 255 255 / 0.1);
  border-radius: 10px;
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  color: white;
}

summary {
  font-weight: 600;
  font-size: 1.3rem;
  cursor: pointer;
  outline: none;
}

section h3 {
  margin-top: 1rem;
  font-weight: 600;
  font-size: 1.1rem;
}

ul {
  list-style: none;
  padding-left: 0;
  margin: 0.5rem 0 1.5rem;
}

li {
  padding: 4px 0;
  line-height: 1.4;
}

li strong {
  color: var(--main-color2);
}

.card {
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  max-width: 400px;
  width: 90%;
  margin: 2rem auto;
  text-align: center;
  color: white;
  background: linear-gradient(135deg, 
    /* default darkened colors from root */
    rgb(97, 0, 254),
    rgb(0, 242, 254)
  );
  transition: background 0.5s ease;
}


.made-by-inline {
  margin-top: -5px;
  margin-bottom: 10px;
  font-size: 23px;
  color: var(--main-color, #555);
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  text-align: center;
  user-select: none;
}

.made-by-inline a {
  color: var(--main-color2, #888);
  text-decoration: none;
  font-weight: 600;
}

.made-by-inline a:hover {
  text-decoration: underline;
}

#shortcutSearch {
  width: 100%;
  max-width: 500px;
  padding: 10px 15px;
  margin-bottom: 20px;
  font-size: 16px;
  box-sizing: border-box;
  border-radius: 12px;
  border: none;
  background: linear-gradient(to right, var(--main-color), var(--main-color2));
  color: white;
  box-shadow: 0 0 8px rgba(255 255 255 / 0.2);
  outline: none;
  transition: box-shadow 0.3s ease, background 0.3s ease;
}

#shortcutSearch::placeholder {
  color: rgba(255 255 255 / 0.7);
}

#shortcutSearch:focus {
  box-shadow: 0 0 12px rgba(255 255 255 / 0.8);
  background: linear-gradient(to right, var(--main-color2), var(--main-color));
}


@media (max-width: 400x) {
  summary {
    font-size: 1.2rem;   /* slightly smaller font on small screens */
    cursor: pointer;     /* keep pointer if still clickable */
    padding: 8px 12px;   /* optional: add padding for easier touch */
  }
}